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Geokem - http://geokem.com/
Online publication with brief descriptions of most types of terrestrial and lunar igneous rocks, their regional distribution and classification, and examples of their geochemical trends and "fingerprints". |
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Northwest Obsidian Research Lab - http://www.obsidianlab.com/
Offers a variety of analytical services related to obsidian trace element characterization ("sourcing") studies, obsidian hydration studies, and obsidian source studies, primarily in the context of archaeological research. |
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Rob's Granite Page - http://uts.cc.utexas.edu/~rmr/
This site is devoted to granite petrology with an emphasis on the Llano Uplift granites of central Texas. Also includes links to research, meetings and other scientists. |
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Pegmatite International - http://www.pegmatology.com/
Information on the mineralogy and petrology of pegmatites including an online publication and links to pegmatite-related sites. |
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Greg Finn, Brock University - http://www.brocku.ca/earthsciences/people/gfinn/
Page with links to course summaries for Petrology and Petrography, and related coursework. |